NDLI: Synthesis and characterization of N-doped zinc oxide nanotetrapods

Content Provider	Springer Nature Link
Author	Al Rifai, S. A. Kulnitskiy, B. A.
Copyright Year	2016
Abstract	Nitrogen-doped (N-doped) self-assembled nanotetrapods ZnO were synthesized via chemical vapor deposition process using N$_{2}$O as a dopant source via vapor-solid (VS) growth. The decomposition of N$_{2}$O gas giving NO and NO$_{2}$ during the synthesis provided successful N-doping of the sample. All samples (N-doped and undoped) were characterized by XRD, SEM, TEM, EDX, photoluminescence (PL), Fourier transform infrared (FT-IR), and diffuse reflection spectra. After nitrogen-doping process, N-doped ZnO samples show the change in structural and optical properties. The detailed structure and the growth mechanism of individual ZnO tetrapod is characterized by TEM and SEM investigations. The TEM study gives the direct assumption about the formation of zincblende (sphalerite) structure on the initial stage of growth of N-doped tetrapods. Besides, SEM observation indicated that tetrapods have perfect tetrahedral symmetry. N-Doped ZnO samples exhibit a broad orange-red PL emission band, peaking near 2.1 eV, in good agreement with the deep-acceptor model for the nitrogen impurity. An IR absorption peak at 3146 cm$^{–1}$ at room temperature was observed for N-doped sample. This peak has been unambiguously assigned to N–H complex.
Starting Page	1049
Ending Page	1056
Page Count	8
File Format	PDF
ISSN	00360244
Journal	Russian Journal of Physical Chemistry
Volume Number	90
Issue Number	5
e-ISSN	1531863X
Language	English
Publisher	Pleiades Publishing
Publisher Date	2016-05-18
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	oxides nanostructures vapor deposition electron microscopy optical properties Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry

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